OmniROM 4.3 Jelly Bean Nightly is based on Android 4.3 AOSP, created by XplodWild and Chainfire. The ROM has elements from CyanogenMod, AOKP and a few other popular custom ROMs. You can use this ROM based on Android 4.3 JB to update your Samsung Galaxy Note 2 to the latest Android 4.3 Jelly Bean OS. Follow this guide to flash OmniROM Nightly custom ROM on your Note 2.

OmniROM Android 4.3 Jelly Bean Custom ROM features

DayDream improvements added

Integrated performance control

Multi-window mode

Multiple workplace

Roadrunner mode

Note: this tutorial is only written for LTE variant of Samsung Galaxy Note 2 model N7105. Please do not try it on other variants/devices.